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Finding the Fourth Proportional to 61,881.40, 92,855.70 and 26,336.92

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Solution

The fourth proportional to 61,881.40, 92,855.70 and 26,336.92 is: 39,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,881.40 : 92,855.70 = 26,336.92 : x
  2. Step 2: Convert to fraction form
    61,881.40/92,855.70 = 26,336.92/x
  3. Step 3: Cross multiply
    61,881.40x = 92,855.70 × 26,336.92
  4. Step 4: Simplify right side
    61,881.40x = 2,445,533,142.44
  5. Step 5: Solve for x
    x = 2,445,533,142.44/61,881.40
  6. Step 6: Final answer
    x = 39,519.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.